package com.yan.model;

import com.yan.constants.Constants;

import java.io.PipedReader;
import java.io.Serializable;

/**
 * 统一返回类型
 * @param <T>
 */
public class R<T> implements Serializable {

    private static final long serialVersionUid = 1L;

    public static final int SUCCESS = Constants.SUCCESS;

    public static final int FAIL = Constants.FAIL;

    private int code;

    private String msg;

    private T data;

    public static <T> R<T> ok (){
        return restResult(null, SUCCESS, null);
    }

    public static <T> R<T> ok (T data){
        return restResult(data, SUCCESS, null);
    }

    public static <T> R<T> ok (T data, String msg){
        return restResult(data, SUCCESS, msg);
    }

    public static <T> R<T> failed(){
        return restResult(null,FAIL,null);
    }

    public static <T> R<T> failed(T data){
        return restResult(data,FAIL,null);
    }

    public static <T> R<T> failed(String msg){
        return restResult(null,FAIL,msg);
    }

    public static <T> R<T> failed(int code, String msg){
        return restResult(null,code,msg);
    }

    private static <T> R<T> restResult(T data, int code, String msg) {
        R<T> apiResult = new R<>();
        apiResult.setCode(code);
        apiResult.setData(data);
        apiResult.setMsg(msg);
        return apiResult;
    }

    public int getCode() {
        return code;
    }

    public void setCode(int code) {
        this.code = code;
    }
    public String getMsg() {
        return msg;
    }

    public void setMsg(String msg) {
        this.msg = msg;
    }

    public T getData() {
        return data;
    }

    public void setData(T data) {
        this.data = data;
    }

}
